Finding the Fourth Proportional to 25,670.69, 35,405.93 and 17,726.21

Step by Step Solution

1. Step 1: Write the proportion equation
   25,670.69 : 35,405.93 = 17,726.21 : x
2. Step 2: Convert to fraction form
   25,670.69/35,405.93 = 17,726.21/x
3. Step 3: Cross multiply
   25,670.69x = 35,405.93 × 17,726.21
4. Step 4: Simplify right side
   25,670.69x = 627,612,817.71
5. Step 5: Solve for x
   x = 627,612,817.71/25,670.69
6. Step 6: Final answer
   x = 24,448.62